Color

#428122

#428122
hex#428122
rgbrgb(66, 129, 34)
hslhsl(100, 58%, 32%)
oklchoklch(0.541 0.143 137.2)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1697

Colors that go with #428122

Charcoal, Crimson and Royal Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#612281

#718122 · #228132

#224281 · #812242

Split-complementary

Open in tool →

#322281 · #812271

#227181 · #612281 · #813222

Contrast

#428122 as textRatioAAAA largeAAAFix
Aaon white
4.78:1passpassfail
  • AAA: use #31611a as the text (7.35:1)
Aaon black
4.39:1failpassfail
  • AA: use #448523 as the text (4.63:1)
  • AAA: use #56a92d as the text (7.11:1)
  • AA: or shift the background to #fafafa (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428122 as the background.

Brands using this color

mcpConnect your agent — build around #428122
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #428122 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428122-a8bea2-694edf-1f2d21-f0f1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md